Cao Bang Province is the northeastern province of Vietnam near the border with China. The province's climate is generally moderate, so it is shrouded in fog on winter days. The province is a great destination for adventurous travelers who want to avoid crowds. It is a quiet and charming destination, due to its mountainous terrain. With beautiful towering limestone cliffs full of natural attractions, including the An Gioc Waterfall that flows through the Keu Sen River, Pak Po Cave, rugged mountains, and small isolated villages, which adventurers come to discover, the province also includes many cities, services and facilities for tourists, including hotels. Restaurants and cafes.